Free Knotweed Control Classes this Summer!

Knotweed on the Sandy River in Oregon. Photo courtesy of Jason Dumont, The Nature Conservancy.

Ever wondered about that giant stand of bamboo-like plants in your backyard, or community garden, or creek edge, that just keeps getting bigger each year? Have you spent months, or years, or even decades struggling to get rid of it? If so, you’re not alone—and the King County Noxious Weed Control Program is here to help.

Our riparian team is back this summer with its popular free workshop on invasive knotweed control. In it you’ll learn all about invasive knotweeds, how (and when) to control them—including how to borrow and use a stem injector—habitation restoration ideas, and the current battle against knotweed on King County’s rivers.

All sessions will be from 6:30pm to 8:30pm:

Space is limited, so sign up soon!

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If you want to borrow a stem injector but can’t attend a class, not to worry. Just check out this page, watch the videos, take the quiz, and you’re on your way!

For more information on knotweed or our classes, contact our amazing riparian team.


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